FileUltimate v5.9.6 and FileVista v7.9.6 are released

This release includes the following changes:

Fixed: When a license key was set and debugging in Visual Studio on Windows 10 Creators Update,
the opened browser hanged on forever. The issue only happened on .NET 4.7 framework which came with
Windows 10 Creators Update.

Improved: Document Viewer:

Fixed: Viewing TIFF files was broken with this error:
Object reference not set to an instance of an object.

Fixed: When viewing image formats, the generated PDF files in cache folder were kept open
(could not be deleted).